Finding the Fourth Proportional to 10,644,799.08, 14,689,828.12 and 5,750,020.92
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Solution
The fourth proportional to 10,644,799.08, 14,689,828.12 and 5,750,020.92 is: 7,935,031.78
Step by Step Solution
- Step 1: Write the proportion equation
10,644,799.08 : 14,689,828.12 = 5,750,020.92 : x - Step 2: Convert to fraction form
10,644,799.08/14,689,828.12 = 5,750,020.92/x - Step 3: Cross multiply
10,644,799.08x = 14,689,828.12 × 5,750,020.92 - Step 4: Simplify right side
10,644,799.08x = 84,466,819,001,204.27 - Step 5: Solve for x
x = 84,466,819,001,204.27/10,644,799.08 - Step 6: Final answer
x = 7,935,031.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.